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Old 06-02-2020, 01:24 PM   #1
Bob
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Default Best clutch master cylinder for Tilton hydraulic throwout release bearing

Hey everyone, sorry if this has been answered many times, feel free to tell me to search better.

I'm planning on using a Tilton 6000 series throwout bearing in my T5 with 4AN lines. Clutch is a single disc with a dual sprung pressure plate.

Tilton recommends using a 7/8" bore master cylinder so looking at both Wilwood and Tilton options, knowing clearance at the strut tower could be an issue.

I also have a 260 master cylinder I bought from Rock Auto on closeout years ago, but unsure if that will give me the throw and pedal feel I'm after.

What setups have been successful for people using hydraulic bearings like this?

Thanks.
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Old 06-02-2020, 01:42 PM   #2
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Wilwood gives you dimensions for their MCs, the Compact and GS Compact (with cast in reservior) are pretty short. The compact usually gives a bit more room depending on the fitting you choose to use.

https://www.wilwood.com/MasterCylind...erCylinderList
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Old 06-02-2020, 02:10 PM   #3
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I used a Wilwood GS Compact with a .700" bore.



some posts here: http://forums.turbobricks.com/showth...290558&page=19

and in post #530 here I cover how I ended up with a bearing/pressure plate style mismatch with the Tilton. http://forums.turbobricks.com/showth...290558&page=22
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Old 06-02-2020, 02:59 PM   #4
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Awesome, thank you! Very helpful. I just put 2 and 2 together that your car was a Radwood last year, like 10 people sent me pictures of it
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Old 06-02-2020, 03:30 PM   #5
culberro
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Quote:
Originally Posted by Stiggy Pop View Post
I used a Wilwood GS Compact with a .700" bore.
Does the fluid in the clutch MC get black/gray really quick on your car?
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Old 06-02-2020, 08:07 PM   #6
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Quote:
Originally Posted by culberro View Post
Does the fluid in the clutch MC get black/gray really quick on your car?
Well now I’ve gotta check it! Looked alright last year.
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Old 06-02-2020, 11:26 PM   #7
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Quote:
Originally Posted by culberro View Post
Does the fluid in the clutch MC get black/gray really quick on your car?
I was always surprised how dark the fluid had become whenever I checked it on my car.
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Old 06-02-2020, 11:55 PM   #8
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I had a couple of failures with the Wilwood Compact Integral reservoir, so I went with the actual Girling brand part. I found them at Pegasus.
https://www.pegasusautoracing.com/pr...p?Product=3500

I believe I am now running a 0.625" bore with my Tilton 6000 HTOB on a T5. I've got it behind a Ford 302, so the clutch is a "King Cobra" and supposedly has a quicker release, so this bore might not move enough fluid for your application. But it works for mine. I like the reduced effort, and the pedal travel is normal.
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Old 06-03-2020, 03:08 PM   #9
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Thank you Greg, that's helpful. I was looking at one of those Girling units and might try one. I'm using a disc I got from John Parker years ago, will be some trial and error I'm sure.
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